| Acronym | Meaning |
| CM | Crew Module |
| SOCA | R Shuttle Operational Capability Assessment Report |
| SMCH | Standard Mixed Cargo Harness |
| LUCS | Instrumentation Update Command SYstem |
| FCOS | Flight Control Operational Software |
| R-T | Resistance Test |
| KUSP | Ku-Band Signal Processor |
| SSO | SuPport System For OEX |
| IUS | International Ultraviolet ExPlorer |
| GCOS | Ground Computer Operating System |